Problem
A 傻鹿尖塔 (spire)
B 树联网(tree)
C 选家具(furniture)
D 推荐队列 (queue)

According to the contest rules, you cannot view your submission details at current.

Oh, there is no clarification!

0913

Status: Done
Rule: IOI
Problem: 4
Start at: 2025-9-13 8:30
End at: 2025-9-13 12:00
Duration: 3.5 hour(s)
Host: kcs007
Partic.: 60